Triangle of number of permutations of [n] with 0 successions, by number of rises.
A046740
Triangle of number of permutations of [n] with 0 successions, by number of rises.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =8a(6) =2a(7) =1a(8) =22a(9) =28a(10) =2a(11) =1a(12) =52a(13) =182a(14) =72a(15) =2a(16) =1a(17) =114a(18) =864a(19) =974a(20) =164a(21) =2a(22) =1a(23) =240a(24) =3474a(25) =8444a(26) =4174a(27) =352a(28) =2a(29) =1
External references
- oeis: A046740